WTANeuron.cpp

#include "WTANeuron.hpp"

double WTANeuron::fRand(double Min, double Max) {
    double tmp = (double)rand() / RAND_MAX;
    return Min + tmp * (Max - Min);
}

WTANeuron::WTANeuron(int ind) {
    index = ind;
    n = ind;
    register int i;
    w.push_back(fRand(-2., 8.));
    w.push_back(fRand(-2., 2.));
}

int WTANeuron::countEuclidMetric(point2 p) {
    register int j;
    double diff2X, diff2Y, diff2;
    diff2X = pow((p.x - w[0]), 2);
    diff2Y = pow((p.y - w[1]), 2);
    diff2 = diff2X + diff2Y;
    euclidMetric = sqrt(diff2);
    return 0;
}

int WTANeuron::ScaleMetric() {
    scaledEuclidMetric = n_victories * euclidMetric;
    return 0;
}

double WTANeuron::NeighbourFunction() {
    return exp(-n / sigma);
}

int WTANeuron::GNGStudy(point2 p) {
    register int i, j, k;
    double diffX, diffY, diff;
    diffX = p.x - w[0];
    diffY = p.y - w[1];

    w[0] += etta * NeighbourFunction() * diffX;
    w[1] += etta * NeighbourFunction() * diffY;
    return 0;
}